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I37-0300 — ISOLATOR,RADIO FREQUENCY REFLECT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

I37-0300: ISOLATOR,RADIO FREQUENCY REFLECT.

ISOLATOR,RADIO FREQUENCY REFLECT. Key specifications include overall_width: 1.980 INCHES MAXIMUM IN, overall_height: 0.780 INCHES MAXIMUM IN, overall_length: 2.550 INCHES MAXIMUM IN, trade_designation: CONNECTOR,PLUG,ELECTRICAL, controlling_agency: MILITARY SPECIFICATION, identifying_number: MIL-C-39012 TYPE NO.. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-021-4877, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
I37-0300
NSN: 5985-01-021-4877
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 53294 — NARDA MICROWAVE CORP THE WESTERN OPERATIONS (USA)
SPECIFICATIONS
overall_width1.980 INCHES MAXIMUM IN
overall_height0.780 INCHES MAXIMUM IN
overall_length2.550 INCHES MAXIMUM IN
trade_designationCONNECTOR,PLUG,ELECTRICAL
connector_quantity2
controlling_agencyMILITARY SPECIFICATION
identifying_numberMIL-C-39012 TYPE NO.
frequency_range_rating+3000.0 TO 3600.0 MEGAHERTZ
NSN5985-01-021-4877
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ISOLATOR,RADIO FREQUENCY REFLECT TITLE COMPONENT PN I37-0300 MFR ISOLATOR,RADIO FREQUEN
KEY FEATURES
•
CONTROLLING AGENCY: MILITARY SPECIFICATION
•
TRADE DESIGNATION: CONNECTOR,PLUG,ELECTRICAL
•
IDENTIFYING NUMBER: MIL-C-39012 TYPE NO.
•
CONNECTOR QUANTITY: 2
•
FREQUENCY RANGE RATING: +3000.0 TO 3600.0 MEGAHERTZ
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.780 INCHES MAXIMUM IN
CONTROLLING AGENCYMILITARY SPECIFICATION
TRADE DESIGNATIONCONNECTOR,PLUG,ELECTRICAL
IDENTIFYING NUMBERMIL-C-39012 TYPE NO.
OVERALL LENGTH2.550 INCHES MAXIMUM IN
OVERALL WIDTH1.980 INCHES MAXIMUM IN
CONNECTOR QUANTITY2
FREQUENCY RANGE RATING+3000.0 TO 3600.0 MEGAHERTZ
OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is I37-0300?
I37-0300 is a ISOLATOR,RADIO FREQUENCY REFLECT.
What is the NSN for I37-0300?
I37-0300 is cataloged in the U.S. Government catalog under NSN 5985-01-021-4877. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.